JP5546796B2 - Foam pump - Google Patents

Foam pump Download PDF

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Publication number
JP5546796B2
JP5546796B2 JP2009129725A JP2009129725A JP5546796B2 JP 5546796 B2 JP5546796 B2 JP 5546796B2 JP 2009129725 A JP2009129725 A JP 2009129725A JP 2009129725 A JP2009129725 A JP 2009129725A JP 5546796 B2 JP5546796 B2 JP 5546796B2
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Prior art keywords
chamber
volume
air
foamable liquid
premixing chamber
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Expired - Fee Related
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JP2009287565A (en
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イー チャバレッラ ニック
エム ウィリス ダニエル
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Go-Jo Industries Inc
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Go-Jo Industries Inc
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
    • A47K5/1208—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a flexible dispensing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/14—Foam or lather making devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1087—Combination of liquid and air pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Reciprocating Pumps (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)

Abstract

A foam pump for pumping a foamable liquid from a foamable liquid source includes a premix chamber having an interior volume receiving the foamable liquid from the foamable liquid source. The foam pump also include a premix chamber air inlet valve, and a collapsible air chamber surrounds the premix chamber and fluidly communicates with the interior volume of the premix chamber through said premix chamber air inlet valve. The collapsible air chamber has an expanded volume and a compressed volume, and, when the collapsible air chamber is moved from its expanded volume to its compressed volume, air within the collapsible air chamber is forced into the premix chamber through the premix chamber air inlet valve and mixes with the foamable liquid received in the premix chamber. An outlet communicates with the premix chamber and, upon compression of the collapsible air chamber from its expanded volume to its compressed volume, foamable liquid and air are advanced from the premix chamber into the outlet. This foamable liquid and air mixture is homogenized into a foam product by advancement through a mesh screen.

Description

本発明は、発泡可能な液体と空気とを混合して発泡体製品を送出する発泡ポンプの技術に属する。特には、本発明は、予混合室が発泡可能な液体の供給源に連通しており、潰れることができる空気室が、予混合室を囲むとともに、バルブを介して予混合室に連通しており、潰れることができる空気室を圧縮することで空気が予混合室へと押し出され、予混合室の発泡可能な液体と混ざり合うポンプに関する。   The present invention belongs to the technology of a foam pump that delivers foam products by mixing foamable liquid and air. In particular, according to the present invention, the premixing chamber communicates with a foamable liquid source, and an air chamber that can be crushed surrounds the premixing chamber and communicates with the premixing chamber via a valve. In addition, the present invention relates to a pump that compresses an air chamber that can be crushed to push air into the premixing chamber and mix with the foamable liquid in the premixing chamber.

長年にわたり、せっけん、消毒剤、洗浄剤、殺菌剤、などといった液体を、液体を保持し、液体を送出するためのポンプ機構を提供する詰め替えユニットを支持するディスペンサハウジングから送出することが知られている。そのようなディスペンサに使用されるポンプ機構は、典型的には、アクチュエータの動作時に所定の量の液体を単純に放出する液体ポンプであった。最近では、有効性および経済性の目的のために、液体を、空気を液体へと注入することによって生成される発泡体の形態で送出することが、望まれるようになってきている。したがって、標準的な液体ポンプが、発泡体生成ポンプに取って代わられているが、発泡体生成ポンプは、必然的に、空気および液体を所望の発泡体を生成するような様相で混合するための手段を必要とする。   Over the years, it has been known to deliver liquids such as soaps, disinfectants, cleaning agents, disinfectants, etc. from a dispenser housing that supports a refill unit that holds the liquid and provides a pump mechanism for delivering the liquid. Yes. The pump mechanism used in such dispensers has typically been a liquid pump that simply discharges a predetermined amount of liquid during operation of the actuator. Recently, for effectiveness and economy purposes, it has become desirable to deliver liquid in the form of foam produced by injecting air into the liquid. Thus, standard liquid pumps have been replaced by foam generation pumps, but foam generation pumps necessarily mix air and liquid in such a manner as to produce the desired foam. Means.

典型的には、発泡ポンプは、空気ポンプ部分および流体ポンプ部分を含んでおり、この２つが、発泡体を最終的に生成するために連通している必要がある。このようなポンプは、発泡ポンプの技術分野の当業者にとって公知のとおり、さまざまな形式のポンプ構造によってもたらされている。従来技術のポンプにおいては、流体および空気が、スクリーン部材の付近で合流する別個の通路を通って進められることが多く、これら別個の空気および流体の通路が一緒にされ、次いでスクリーンを通って押し出され、流体中に空気の気泡が生成され、すなわち発泡体が生成される。一般に、より豊潤な高品質の発泡体は、より小さな気泡をより一様な気泡サイズの分布にて有する結果である。本発明は、この技術分野においてこれまで知られていない構造のきわめてコンパクトな発泡ポンプを提供する。また、本発明は、小さくかつ一様なサイズの空気の気泡を有する高品質な発泡体を提供する。   Typically, a foam pump includes an air pump portion and a fluid pump portion that need to be in communication to ultimately produce a foam. Such pumps are provided by various types of pump structures, as is known to those skilled in the art of foam pumps. In prior art pumps, fluid and air are often advanced through separate passages that meet in the vicinity of the screen member, and these separate air and fluid passages are brought together and then extruded through the screen. As a result, air bubbles are generated in the fluid, that is, foam is generated. In general, a richer, higher quality foam is the result of having smaller bubbles with a more uniform distribution of bubble sizes. The present invention provides a very compact foam pump with a structure not previously known in the art. The present invention also provides a high quality foam having air bubbles of small and uniform size.

本発明は、発泡可能な液体の供給源から発泡可能な液体を送出するための発泡ポンプを提供する。この発泡ポンプは、膨脹時体積および圧縮時体積を有し、膨脹時体積への膨張時には前記発泡可能な液体の供給源から前記発泡可能な液体を引き込む予混合室を包含する。更に、この発泡ポンプは、予混合室空気導入バルブと、前記予混合室を囲み、予混合室空気導入バルブを介して前記予混合室内に流体を通すことができるように連通する、潰れることができる空気室とを包含する。前記潰れることができる空気室は、膨脹時体積および圧縮時体積を有しており、前記潰れることができる空気室が膨脹時体積から圧縮時体積へと移行するときに、前記潰れることができる空気室の内部の空気が、前記予混合室空気導入バルブを通って前記予混合室へと押し出され、前記予混合室内へ引き込まれている前記発泡可能な液体と混ざり合う。出口が、前記予混合室に連通しており、前記潰れることができる空気室が膨脹時体積から圧縮時体積へと圧縮されるときに、前記発泡可能な液体および空気が、前記予混合室から前記出口へと進められる。また、少なくとも１つのメッシュスクリーンが前記出口に設けられている。 The present invention provides a foam pump for delivering foamable liquid from a source of foamable liquid. The foam pump has a premixing chamber that has an expanded volume and a compressed volume and draws the foamable liquid from the foamable liquid source upon expansion to the expanded volume . Further, the foaming pump may be crushed, surrounding the premixing chamber air introduction valve and the premixing chamber so as to allow fluid to pass through the premixing chamber air introduction valve. And a possible air chamber. The collapsible air chamber has an expansion volume and a compression volume, and the collapsible air when the collapsible air chamber transitions from the expansion volume to the compression volume. the air inside the chambers, the premix chamber through the air inlet valve is pushed into the premix chamber, it mixes with the foamable liquid which has been drawn into the premix chamber. An outlet is in communication with the premixing chamber and when the collapsible air chamber is compressed from an expanded volume to a compressed volume, the foamable liquid and air are removed from the premixing chamber. It is advanced to the outlet. At least one mesh screen is provided at the outlet.

特定の実施形態においては、２つのメッシュスクリーンが混合カートリッジの入口および出口に設けられ、これらのメッシュスクリーンを通過して進められる前記発泡可能な液体および空気から、発泡体製品が生成される。他の実施形態においては、前記予混合室が、ベースに固定された弾性ドームから形成される。他の実施形態においては、前記潰れることができる空気室が、前記予混合室を囲むベローズ本体から形成される。 In certain embodiments, two mesh screens are provided at the inlet and outlet of the mixing cartridge, and a foam product is produced from the foamable liquid and air that is advanced through the mesh screens. In another embodiment, the premixing chamber is formed from an elastic dome secured to a base. In another embodiment, the collapsible air chamber is formed from a bellows body surrounding the premixing chamber.

本発明による発泡ポンプの実施形態の側面断面図であり、発泡可能な液体の供給源に組み合わせられ、非作動の状態で示されている。1 is a side cross-sectional view of an embodiment of a foam pump according to the present invention, shown in an inoperative condition, combined with a source of foamable liquid. 図１と同様の側面断面図であるが、作動時の状態で示されている。FIG. 2 is a side cross-sectional view similar to FIG.

図１に、本発明の発泡ポンプが図示され、参照番号１０によって示されている。発泡ポンプ１０は、発泡可能な液体の供給源に任意の適切なやり方で連通するように意図されているが、ここでは、発泡可能な液体Ｓを収容している容器１２へ固定され、流体を通すことができるように容器１２に連通して図示されている。一般に、この容器１２およびポンプ１０の組み合わせが、ポンプ１０を作動させるための駆動機構を提供するディスペンサハウジングにおいて、詰め替えユニットとして機能できることを、理解すべきである。容器１２は、この技術分野において公知のとおり、通気付きの剛構造（発泡可能な液体Ｓが取り出されるときに空気が流入できる）であってよく、あるいは潰れることができる構造であってよい。 In FIG. 1, a foam pump of the present invention is illustrated and indicated by reference numeral 10. Foam pump 10 has been intended to communicate in any suitable manner to a source of foamable liquid, where is fixed to the container 12 housing the foamable liquid S, a fluid It is shown in communication with the container 12 so that it can pass through. In general, it should be understood that this combination of container 12 and pump 10 can function as a refill unit in a dispenser housing that provides a drive mechanism for operating pump 10. The container 12 may be a rigid structure with ventilation (air can flow in when the foamable liquid S is removed) or a structure that can collapse, as is known in the art.

ポンプ１０は、ベース１４と、予混合室２０を画定すべく保持リング１８によってベース１４に固定される予混合室ドーム１６とを備える。予混合室ドーム１６は、エラストマーなどの弾性材料で製作され、圧力が加えられたときにベース１４に向かって潰れ、その後に、材料の弾性の結果として、図１のドーム状へと再び膨脹することができる。あるいは、予混合室ドーム１６を、図１のドーム状へと復帰するようにばねで付勢してもよい。予混合室２０は、ベース１４の入口通路２１を介して発泡可能な液体の供給源（ここでは、発泡可能な液体Ｓを含んでいる容器１２に連通する。入口バルブ２２が、発泡可能な液体Ｓの予混合室２０への流入および予混合室２０からの流出の規制を助けるために設けられる。この実施形態においては、入口バルブ２２が、予混合室ドーム１６と一体であって、入口通路２１からの出口２３を覆うように予混合室ドーム１６から延びている弾性フラップとして示されている。他のバルブも使用可能である。   The pump 10 includes a base 14 and a premix chamber dome 16 that is secured to the base 14 by a retaining ring 18 to define a premix chamber 20. The premix chamber dome 16 is made of an elastic material, such as an elastomer, and collapses toward the base 14 when pressure is applied, and then expands back into the dome shape of FIG. 1 as a result of the elasticity of the material. be able to. Alternatively, the premixing chamber dome 16 may be biased by a spring so as to return to the dome shape of FIG. The premixing chamber 20 communicates with a source of foamable liquid (here a container 12 containing a foamable liquid S via an inlet passage 21 of the base 14. An inlet valve 22 is provided with a foamable liquid. S is provided to help regulate the flow of S into and out of the premixing chamber 20. In this embodiment, an inlet valve 22 is integral with the premixing chamber dome 16 and includes an inlet passage. 21 is shown as an elastic flap extending from the premix chamber dome 16 to cover the outlet 23 from 21. Other valves can also be used.

さらに、予混合室２０は、ベース１４の出口通路２４に、出口通路２４への出口２６を介して連通する。この出口は、予混合室から出る流れを許容し、予混合室へと戻る流れを阻止するための任意の適切な一方向弁を備えることができる。あるいは、バルブが出口２６にではなくベース１４の出口に配置される図示の実施形態のように、出口２６がバルブを有さなくてもよい。さらに詳しくは、出口通路２４が、送出端２８まで延び、送出端２８が、この送出端２８を出る発泡体製品の流れを制御するための出口バルブ２９によって覆われる。ここでは、出口バルブ２９が、くちばし状（duckbill）バルブとして図示されているが、他の適切なバルブを使用することが可能である。その名が示唆するとおり、入口バルブ２２は、流体が発泡可能な液体の供給源から入口通路２１を通って予混合室２０へと流入できるようにする一方で、反対方向の流れを禁じ、出口バルブ２９は、流体が出口通路２４の内部から送出端２８および出口バルブ２９を通って流れることを許す一方で、出口通路２４へと戻る流れを禁じる。さらに、出口通路２４を、長い送出チューブへの連絡によってベース１４を超えて延長することも可能であり、出口バルブ２９を、ベース１４の端部ではなく、このようなチューブの端部に配置できることを、理解すべきである。 Further, the premixing chamber 20 communicates with the outlet passage 24 of the base 14 via the outlet 26 to the outlet passage 24. This outlet can include any suitable one-way valve to allow flow out of the premixing chamber and prevent flow back to the premixing chamber. Alternatively, as in the illustrated embodiment the valve is positioned at the exit of the base 14 rather than to the outlet 26, the outlet 26 may have no valve. More particularly, the outlet passage 24 extends to the delivery end 28, which is covered by an outlet valve 29 for controlling the flow of foam product exiting the delivery end 28. Although the outlet valve 29 is shown here as a duckbill valve, other suitable valves can be used. As its name suggests, the inlet valve 22 allows fluid to flow from a source of foamable liquid through the inlet passage 21 into the premixing chamber 20 while prohibiting flow in the opposite direction, The valve 29 allows fluid to flow from the interior of the outlet passage 24 through the delivery end 28 and the outlet valve 29 while prohibiting flow back to the outlet passage 24. Furthermore, the outlet passage 24 can be extended beyond the base 14 by communication with a long delivery tube, and the outlet valve 29 can be located at the end of such a tube rather than at the end of the base 14. Should be understood.

ベローズ本体３０が、ベース１４とベローズ本体３０との間に画定される体積に予混合室ドーム１６を囲むように、ベース１４に固定される。この体積は、一部が予混合室２０によって占められ、予混合室ドーム１６とベローズ本体３０との間の体積が、潰れることができる空気室３２とされる。潰れることができる空気室３２は、予混合室空気導入バルブ３４を介して流体を通すことができるように予混合室２０に連通しており、空気室導入バルブ３６を介して流体を通すことができるように外部の大気に連通できる。その名が示唆するとおり、空気室導入バルブ３６は、空気が外部の大気からベローズ本体３０を通って潰れることができる空気室３２へと流入できるようにする一方で、反対方向の流れを制限する。ここに示した特定の実施形態においては、空気室導入バルブ３６がくちばし状バルブであるが、他のバルブを使用することが可能である。   A bellows body 30 is fixed to the base 14 so as to surround the premixing chamber dome 16 in a volume defined between the base 14 and the bellows body 30. A part of this volume is occupied by the premixing chamber 20, and the volume between the premixing chamber dome 16 and the bellows body 30 is an air chamber 32 that can be crushed. The air chamber 32 that can be crushed communicates with the premixing chamber 20 so that the fluid can pass through the premixing chamber air introduction valve 34, and can pass the fluid through the air chamber introduction valve 36. Can communicate with the outside atmosphere as much as possible. As the name suggests, the air chamber introduction valve 36 allows air to flow from the outside atmosphere into the air chamber 32 that can collapse through the bellows body 30 while restricting flow in the opposite direction. . In the particular embodiment shown here, the air chamber introduction valve 36 is a beak-shaped valve, but other valves can be used.

ベローズ本体３０は、尾根４０および谷４２を有する波形であり、ベローズ本体３０に圧縮時体積と膨脹時体積との間を可逆的に収縮および延伸できる能力をもたらす材料で製作される。ベローズ本体３０は、潰れることができる空気室３２を圧縮時体積にするために矢印Ａの方向に潰れることができ、好ましくは、潰れることができる空気室３２を膨脹時体積へと移行させるべく跳ね返るのに充分な弾性を有する材料で製作される。この弾性は、好ましくは後述のようにばねもさらに使用されるため、絶対に必要というわけではない。 The bellows body 30 is corrugated with ridges 40 and valleys 42 and is made of a material that provides the bellows body 30 with the ability to reversibly contract and stretch between a compressed volume and an expanded volume. The bellows body 30 can be collapsed in the direction of arrow A to bring the collapsible air chamber 32 to a compressed volume, and preferably rebounds to move the collapsible air chamber 32 to the expanded volume. Made of a material having sufficient elasticity . This elasticity is not absolutely necessary, preferably since a spring is also used as described below.

ばね５４が、ベローズ本体３０の端壁５６と予混合室ドーム１６の外表面との間を延びるように配置される。図においては、ばね５４が、端壁５６のリブ５８および予混合室ドーム１６のリブ６０によって保持されるものとして示されている。予混合室ドーム１６が弾性的であるため、予混合室２０は、圧縮時体積および膨脹時体積を有し、ベローズ本体３０が矢印Ａの方向に押されて、潰れることができる空気室３２を圧縮時体積へと駆り立てるとき、ばね５４の作用のもとで圧縮時体積へと移行する。これは、図２において見てとれる。潰れることができる空気室３２の圧力が充分に高いとき、空気が、予混合室空気導入バルブ３４を通って予混合室２０へと押し込まれる。予混合室空気導入バルブ３４を通って予混合室２０へと空気を押し込む容易さは、バルブを開くために必要とされる圧力に依存する。空気導入バルブ３４が開くと、潰れることができる空気室３２からの空気が、圧力のもとで予混合室２０へと進入し、予混合室２０において空気と発泡可能な液体との初期の粗い混合を生じさせる。   A spring 54 is arranged to extend between the end wall 56 of the bellows body 30 and the outer surface of the premix chamber dome 16. In the figure, the spring 54 is shown as being held by the rib 58 of the end wall 56 and the rib 60 of the premix chamber dome 16. Since the premixing chamber dome 16 is elastic, the premixing chamber 20 has a compression volume and an expansion volume, and the bellows body 30 is pushed in the direction of arrow A, and the air chamber 32 can be crushed. When driving to the compression volume, the volume moves to the compression volume under the action of the spring 54. This can be seen in FIG. When the pressure in the air chamber 32 that can be crushed is high enough, air is forced through the premix chamber air introduction valve 34 into the premix chamber 20. The ease with which air is forced into the premixing chamber 20 through the premixing chamber air inlet valve 34 depends on the pressure required to open the valve. When the air introduction valve 34 is opened, the air from the air chamber 32 that can be crushed enters the premixing chamber 20 under pressure, and in the premixing chamber 20 the initial rough of the air and the foamable liquid. Cause mixing.

予混合室２０へと注入される空気の力および予混合室ドーム１６の潰れの両方が、予混合室２０において混合した空気および発泡可能な液体を、出口２６において出口通路２４へと進入させる。この粗い予混合物が、出口通路２４に沿って押され、送出端２８の付近に設けられた少なくとも１つのメッシュスクリーン４６を最終的に通過し、これによって空気および発泡可能な液体の混合物を均質化して、出口バルブ２９を通って送出されるべき高品質な発泡体製品を生成する。特定の実施形態においては、メッシュスクリーン４６を、両端にメッシュスクリーン（ここでは、入口側メッシュスクリーン５２および出口側メッシュスクリーン４６として示されている）が取り付けられた中空チューブ５０を包含している混合カートリッジ４８の一部として設けることができる。予混合室ドーム１６が通常の休止位置へと復帰するとき、予混合室２０に真空が生成され、次の１回分の流体が発泡可能な液体の供給源から入口バルブ２２を通って引き込まれる。   Both the force of air injected into the premix chamber 20 and the collapse of the premix chamber dome 16 cause the air and foamable liquid mixed in the premix chamber 20 to enter the outlet passage 24 at the outlet 26. This coarse premix is pushed along the outlet passage 24 and finally passes through at least one mesh screen 46 provided near the delivery end 28, thereby homogenizing the mixture of air and foamable liquid. To produce a high quality foam product to be delivered through the outlet valve 29. In a particular embodiment, the mesh screen 46 includes a hollow tube 50 having mesh screens (shown here as an inlet mesh screen 52 and an outlet mesh screen 46) attached at both ends. It can be provided as part of the cartridge 48. When the premix chamber dome 16 returns to the normal rest position, a vacuum is created in the premix chamber 20 and the next batch of fluid is drawn through the inlet valve 22 from a source of foamable liquid.

特定の実施形態においては、入口バルブ２２は、ポンプ１０の休止時に開いており、予混合室２０の内容物へと圧力が加えられるときにのみ、入口通路２１の出口２３を閉じる。ドーム１６を使用しているこの特定の実施形態においては、入口バルブ２２は、潰れることができるドーム１６へと力が加えられたときに閉じる。したがって、ドーム１６が、ベース１４に向かって押された後に休止位置へと復帰するとき、入口バルブ２２が容易に開いて、発泡可能な液体Ｓの予混合室２０への進入を可能にする。また、これは、ドーム１６が膨脹するときに空気が空気導入バルブ３４を通って吸い込まれる可能性がないよう、液体Ｓの流路を、最少の抵抗の経路として確立する。図に示された入口バルブ２２のためのフラップは、このような実施形態に使用すると効果的に作動する。   In certain embodiments, the inlet valve 22 is open when the pump 10 is off and closes the outlet 23 of the inlet passage 21 only when pressure is applied to the contents of the premix chamber 20. In this particular embodiment using a dome 16, the inlet valve 22 closes when a force is applied to the dome 16 that can collapse. Thus, when the dome 16 is pushed back toward the base 14 and then returns to the rest position, the inlet valve 22 is easily opened to allow the foamable liquid S to enter the premixing chamber 20. This also establishes the flow path of liquid S as a path of least resistance so that air cannot be drawn through the air inlet valve 34 when the dome 16 is expanded. The flap for the inlet valve 22 shown in the figure works effectively when used in such an embodiment.

一般に、入口バルブ２２および空気導入バルブ３４は、ドーム１６の膨脹時に入口バルブ２２が空気導入バルブ３４よりも容易に開くように、設計されるべきである。これは、ドーム１６の膨脹時に発泡可能な液体Ｓが予混合室２０を満たすことを保証するうえで役に立つ。同様に、空気室導入バルブ３６も、ベローズ本体３０の膨脹を阻止または妨害することがないように、容易に開かなければならない。   In general, the inlet valve 22 and air inlet valve 34 should be designed so that the inlet valve 22 opens more easily than the air inlet valve 34 when the dome 16 is expanded. This helps to ensure that the foamable liquid S fills the premixing chamber 20 when the dome 16 is expanded. Similarly, the air chamber introduction valve 36 must be easily opened so as not to prevent or block the expansion of the bellows body 30.

ばね５４を設けることによって、ベローズ本体３０へ矢印Ａの方向に力が加えられるとすぐに、予混合室ドーム１６が潰れ始める。その結果、ベローズ本体３０の動きがわずかであっても、予混合室２０が少なくとも或る程度まで潰れ、加えられている力が除かれるときに、予混合室２０が、依然として入口通路２１から予混合室２０へと液体を引き込むように機能する。予混合室２０が潰れない場合、圧力が除かれても予混合室２０が膨脹することがなく、したがって新たな製品が容器１２から吸い込まれることがない。ばね５４を設けることで、予混合室２０が、たとえポンプを途中までしか動かさなくても、少なくとも少しは潰れる。ここで、「途中までの動き」とは、潰れることができる空気室３２のベローズ本体３０を完全に圧縮するには至らないと理解される。多くのポンプにおいて、ポンプを途中までしか動かさないと、ポンプの機能における厄介な問題または発泡体製品の品質低下あるいは両方につながる。 By providing the spring 54, as soon as the force is applied in the direction of the arrow A to the bellows body 30 begins collapsing premix chamber dome 16. As a result, even if the movement of the bellows body 30 is slight, when the premixing chamber 20 is crushed to at least some extent and the applied force is removed, the premixing chamber 20 still remains in the prepassage from the inlet passage 21. It functions to draw liquid into the mixing chamber 20. If the premixing chamber 20 does not collapse, the premixing chamber 20 will not expand even when the pressure is removed, and therefore no new product will be drawn from the container 12. By providing the spring 54, the premixing chamber 20 is at least slightly collapsed even if the pump is only moved halfway. Here, “middle movement” is understood not to completely compress the bellows body 30 of the air chamber 32 that can be crushed. In many pumps, moving the pump only halfway leads to troublesome problems in the functioning of the pump and / or degradation of the quality of the foam product.

本発明のポンプは、予混合室２０において空気が発泡可能な液体へと注入されて粗い予混合物が生成され、その後にメッシュスクリーンに達して予混合物がメッシュスクリーンを通って押し出される点で、本明細書において「２段」混合機能と称されるものを提供する。これは、空気および発泡可能な液体がメッシュスクリーンにおいて初めて一緒にされる公知の１段混合から区別可能である。ここで実施される２段混合は、平均の気泡サイズがより小さく、きわめて容易に広げることができるより湿って豊潤な発泡体を提供する。特定の実施形態においては、発泡可能な液体は、液体せっけんであり、本発明のポンプによって生成される豊潤、湿潤、かつ広げやすい発泡石けんは、きわめて望ましい。   The pump of the present invention is characterized in that air is injected into the foamable liquid in the premixing chamber 20 to produce a coarse premix, which then reaches the mesh screen and is pushed through the mesh screen. What is referred to herein as a “two-stage” mixing function is provided. This is distinguishable from the known single-stage mixing where air and foamable liquid are first brought together in a mesh screen. The two-stage mixing performed here provides a wetter and richer foam that has a smaller average cell size and can be expanded very easily. In certain embodiments, the foamable liquid is liquid soap, and the rich, wet and easy to expand foam soap produced by the pump of the present invention is highly desirable.

特定の実施形態においては、発泡可能な液体Ｓが、発泡可能な石けんであり、ただ１段の混合を使用する従来技術のポンプと比べ、本発明のポンプは、平均の気泡サイズがより小さい発泡石けん製品を提供し、発泡石けんの（例えば、手への）塗布性が最適化される。   In certain embodiments, the foam of liquid S is foamable soap, and the pump of the present invention has a smaller average bubble size compared to prior art pumps that use only one stage of mixing. A soap product is provided, and the foam soap (eg, hand) applicability is optimized.

以上に照らし、本発明が、技術を大きく進歩させる発泡ポンプを提供することが明らかである。特許法に従い、本発明の好ましい実施形態のみを、本明細書において詳しく説明したが、本発明は、それらに限定されず、あるいはそれらによって限定されない。むしろ、本発明の範囲は、特許請求の範囲の技術的範囲に含まれるすべての変形および変種を包含する。   In light of the above, it is apparent that the present invention provides a foam pump that greatly advances the technology. In accordance with the patent law, only the preferred embodiments of the present invention have been described in detail herein, but the present invention is not limited thereto or limited thereto. Rather, the scope of the present invention encompasses all modifications and variations that fall within the scope of the claims.

１０ 発泡ポンプ
１２ 容器
１４ ベース
１６ 予混合室ドーム
１８ 保持リング
２０ 予混合室
２１ 入口通路
２２ 入口バルブ
２４ 出口通路
２６ 出口
２８ 送出端
２９ 出口バルブ
３０ ベローズ本体
３２ 空気室
３４ 予混合室空気導入バルブ
３６ 空気室空気導入バルブ
４０ 尾根
４２ 谷
４６ 出口側メッシュスクリーン
５０ 中空チューブ
５２ 入口側メッシュスクリーン
５４ ばね
５６ 端壁
５８ リブ
６０ リブ
Ｓ 発泡可能な液体 DESCRIPTION OF SYMBOLS 10 Foaming pump 12 Container 14 Base 16 Premixing chamber dome 18 Holding ring 20 Premixing chamber 21 Inlet passage 22 Inlet valve 24 Outlet passage 26 Outlet 28 Outlet 29 Outlet valve 30 Bellows main body 32 Air chamber 34 Premixing chamber air introduction valve 36 Air chamber air introduction valve 40 Ridge 42 Valley 46 Outlet side mesh screen 50 Hollow tube 52 Inlet side mesh screen 54 Spring 56 End wall 58 Rib 60 Rib S Liquid capable of foaming

Claims (9)

発泡可能な液体の供給源から発泡可能な液体を送出するための発泡ポンプにおいて、
膨脹時体積および圧縮時体積を有し、膨脹時体積への膨張時には前記発泡可能な液体の供給源から前記発泡可能な液体を引き込む予混合室と、
予混合室空気導入バルブと、
前記予混合室空気導入バルブを囲み、前記予混合室空気導入バルブを介して前記予混合室内に流体を通すことができるように連通しており、膨脹時体積および圧縮時体積を有していて、膨脹時体積から圧縮時体積へと移行するときに、内部の空気を前記予混合室空気導入バルブを通して前記予混合室へと押し出して、前記予混合室内へ引き込まれている発泡可能な液体に混ぜ合わせる、潰れることができる空気室と、
前記予混合室に連通しており、前記潰れることができる空気室が膨脹時体積から圧縮時体積へと圧縮されるときに、前記予混合室から前記発泡可能な液体および空気を受け取る出口と、
前記出口に設けられている、少なくとも１つのメッシュスクリーンと、
を包含することを特徴とする発泡ポンプ。 In a foam pump for delivering foamable liquid from a source of foamable liquid,
A premixing chamber having an inflated volume and a compressed volume, wherein the foamable liquid is drawn from the source of foamable liquid upon expansion to the expanded volume ;
A premixing chamber air introduction valve;
The premixing chamber air introduction valve surrounds and communicates with the premixing chamber air introduction valve so that fluid can pass through the premixing chamber air introduction valve, and has an expansion volume and a compression volume. , when moving to -compression volume from expansion during volume, the interior of the air extruded into the premix chamber through said premix chamber air inlet valve, foamable liquid being drawn into the premix chamber An air chamber that can be crushed,
Communicating with the premixing chamber and receiving the foamable liquid and air from the premixing chamber when the collapsible air chamber is compressed from an expanded volume to a compressed volume;
At least one mesh screen provided at the outlet;
A foaming pump comprising: 前記予混合室がベースに固定されたドームを含んでおり、これにより、前記ベースと前記ドームとの間に前記予混合室の前記膨脹時体積および圧縮時体積を定めることを特徴とする請求項１記載の発泡ポンプ。 The premixing chamber includes a dome secured to a base, thereby defining the expansion volume and compression volume of the premixing chamber between the base and the dome. The foaming pump according to 1. 前記予混合室空気導入バルブが前記ドームへの空気の流れを制御することを特徴とする請求項２記載の発泡ポンプ。   The foam pump according to claim 2, wherein the premixing chamber air introduction valve controls a flow of air to the dome. 前記予混合室空気導入バルブがくちばし状バルブであることを特徴とする請求項３記載の発泡ポンプ。   4. The foam pump according to claim 3, wherein the premixing chamber air introduction valve is a beak-shaped valve. 前記ドームが前記ベースに向かって圧縮できるように弾性を有することを特徴とする請求項３記載の発泡ポンプ。   The foam pump according to claim 3, wherein the dome has elasticity so that it can be compressed toward the base. 前記潰れることができる空気室が膨脹時体積から圧縮時体積へと移行するとき、圧力が前記ドームへと加わって、前記予混合室を膨脹時体積から圧縮時体積へと移行させることを特徴とする請求項５記載の発泡ポンプ。   When the collapsible air chamber moves from the expanded volume to the compressed volume, pressure is applied to the dome to move the premixing chamber from the expanded volume to the compressed volume. The foaming pump according to claim 5. 更に、前記予混合室と前記潰れることができる空気室との間に延びるばねを包含し、
前記潰れることができる空気室が膨脹時体積から圧縮時体積へと移行するとき、前記ばねが前記ドームを押して、前記予混合室を膨脹時体積から圧縮時体積へと移行させることを特徴とする請求項６記載の発泡ポンプ。 And a spring extending between the premixing chamber and the collapsible air chamber,
When the collapsible air chamber moves from the expanded volume to the compressed volume, the spring pushes the dome to move the premixing chamber from the expanded volume to the compressed volume. The foaming pump according to claim 6. 更に、前記発泡可能な液体の供給源から前記予混合室への前記発泡可能な液体の流れを制御し、前記予混合室から前記発泡可能な液体の供給源へと戻る、前記発泡可能な液体の流れを阻止する液体導入バルブを包含することを特徴とする請求項１記載の発泡ポンプ。   The foamable liquid further controls flow of the foamable liquid from the foamable liquid source to the premixing chamber and returns from the premixing chamber to the foamable liquid source. The foam pump according to claim 1, further comprising a liquid introduction valve for preventing the flow of water. 前記液体導入バルブが、発泡ポンプの休止時には開いているが、前記予混合室の内容物へ圧力が加わると閉じることを特徴とする請求項８に記載の発泡ポンプ。 Wherein the liquid inlet valve is, although open at rest of the foam pump, foam pump according to claim 8, characterized in that the closing and a pressure is applied to the contents of the premix chamber.
JP2009129725A 2008-05-28 2009-05-28 Foam pump Expired - Fee Related JP5546796B2 (en)

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